"Portland, Ore., is the big city doing the best job of making its resources sustainable for future generations to enjoy without passing on a major cost burden, a new study says.
Portland ranked highest among the 50 largest U.S. cities for using its assets and infrastructure wisely, keeping money in the local economy and being prepared for the unexpected, according to a study from SustainLane.com, a nonpartisan online community site for healthy, sustainable living that's based in San Francisco."